Get everyone together for the big birthday bash with Zazzle birthday invitations. With up to 50% off volume discounts, the more guests you have the more you save! Find birthday invitation templates for every age and theme, from princesses to photo to the big 5 0. Upload your photos, messages and designs to create unique personalised birthday invitations this year. Nearly all Zazzle Invitations are now printed in the UK, ensuring fast delivery!